/Engine/Source/Runtime/InteractiveToolsFramework/Public/InteractiveGizmoBuilder.h
Create a new instance of this builder's Gizmo
a new instance of the Gizmo, or nullptr on error/failure
virtual [UInteractiveGizmo](API\Runtime\InteractiveToolsFramework\UInteractiveGizmo) * BuildGizmo ( const [FToolBuilderState](API\Runtime\InteractiveToolsFramework\FToolBuilderState) & SceneState ) const